18177861

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^2\times {\mathrm{211}}^1$

素因数の和:321

約数の個数: 24

約数和(自身を含む): 26795104

約数和(自身を除く): 8617243

約数列:

[1, 3, 13, 39, 47, 141, 211, 611, 633, 1833, 2209, 2743, 6627, 8229, 9917, 28717, 29751, 86151, 128921, 386763, 466099, 1398297, 6059287, 18177861]

約数ペア:

[(1, 18177861), (3, 6059287), (13, 1398297), (39, 466099), (47, 386763), (141, 128921), (211, 86151), (611, 29751), (633, 28717), (1833, 9917), (2209, 8229), (2743, 6627)]